Last summer director Robert Rodriguez announced that music superstar Lady Gaga would be making her big-screen acting debut in his Machete Kills as a character named Lady Chameleon and now there is a trailer showing a sneak peak of Gaga's film debut.The film is a spin-off sequel to Rodriguez' Grindhouse, two full length feature horror movies written by Quentin Tarantino and released in 2007. Rodriguez and Tarantino put the project together as a two film feature, Planet Terror and Death Proof.Providing just a few short glimpses of Lady Gaga, the first preview for Machete Kills debuted Wednesay on Yahoo! OMG! En Español.Watch the trailer, with a Spanish-language introduction from Rodriguez and Danny Trejo, here.